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What does data visualization refer to?

Collecting data in spreadsheets
The process of organizing data into tables
A graphical representation of data
Data storage methods

The correct answer is: A graphical representation of data

Data visualization refers to the graphical representation of data, which allows individuals to see patterns, trends, and insights that may not be as easily recognizable through raw data alone. By using visual elements like charts, graphs, and maps, data visualization helps to simplify complex datasets and make the information more accessible and understandable for a wider audience. This method is essential in data analytics, as it enables analysts to communicate findings effectively and assist in decision-making processes. The other options do not capture the essence of data visualization. Collecting data in spreadsheets focuses on data collection methods, while organizing data into tables pertains to structuring information rather than visualizing it. Data storage methods are concerned with how data is saved and retrieved, lacking any graphical context that visualization provides.